// For all errors that cannot be reconstructed fail the read operation.
			return -1, err
		}

		if err = e.DecodeDataBlocks(bufs); err != nil {
			return -1, err
		}

		n, err := writeDataBlocks(ctx, writer, bufs, e.dataBlocks, blockOffset, blockLength)
		if err != nil {
			return -1, err
		}

		bytesWritten += n
	}

	if bytesWritten != length {
		return bytesWritten, errLessData
	}